Posted 3/23/2013 00:14 (#2984396 - in reply to #2984144) Subject: Re: Zinc sulfate application.
Formerly NE North Dakota, now NW MN
not totally what you asked... but we always put about 1lbs of zinc-gro powder in when we start spraying the pintos for white mold at r1. think its like $ .25/ac. so we don't even tissue test, just do it since beans are sensitive to Z deficiencies.
Zinc sulfate application.
